Q 9 – What is the purpose of super. onCreate() in android? The super. onCreate() will create the graphical window for subclasses and place at onCreate() method.
What is sandbox in Android Mcq?
Q 5 – What is sandbox in android? A – Each application runs securely in sandbox without interrupting another process. B – Android Box. C – Android development tool kit.
How many broadcast receivers are available in Android Mcq?
There are 2 broadcast receivers are available in android which are Static receivers and Dynamic receivers.
What is the purpose of content provider in Android Mcq?
Explanation: A content provider is used to share information between Android applications.
WHAT IS interface in Android Mcq?
What is an interface in android? Interface is a class. Interface acts as a bridge between class and the outside world. Interface is a layout file.
What is a sandbox in Android?
This isolates apps from each other and protects apps and the system from malicious apps. To do this, Android assigns a unique user ID (UID) to each Android application and runs it in its own process. … The sandbox is simple, auditable, and based on decades-old UNIX-style user separation of processes and file permissions.
What is the use of JNI in Android?
JNI is the Java Native Interface. It defines a way for the bytecode that Android compiles from managed code (written in the Java or Kotlin programming languages) to interact with native code (written in C/C++).
How many broadcast receivers are on Android?
There are mainly two types of Broadcast Receivers: Static Broadcast Receivers: These types of Receivers are declared in the manifest file and works even if the app is closed.
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Broadcast Receiver in Android With Example.
| Intent | Description Of Event |
|---|---|
| android.intent.action.CALL | To perform a call to someone specified by the data |
What is the time limit of broadcast receiver in Android Mcq?
As a general rule, broadcast receivers are allowed to run for up to 10 seconds before they system will consider them non-responsive and ANR the app.
What is the difference between Android API and Google API Mcq?
(A) The google API includes Google Maps and other Google-specific libraries. The Android one only includes core android libraries. … (A) The google API includes Google Maps and other Google-specific libraries. The Android one only includes core android libraries.
How are layouts placed in Android?
Layout files are stored in “res-> layout” in the Android application. When we open the resource of the application we find the layout files of the Android application. We can create layouts in the XML file or in the Java file programmatically.
What are the main two types of thread in Android?
Android has four basic types of threads. You’ll see other documentation talk about even more, but we’re going to focus on Thread , Handler , AsyncTask , and something called HandlerThread . You may have heard HandlerThread just called the “Handler/Looper combo”.
What is ContentProvider class for?
Implementing the ContentProvider class. The ContentProvider instance manages access to a structured set of data by handling requests from other applications. All forms of access eventually call ContentResolver , which then calls a concrete method of ContentProvider to get access.